Question

Volume of a gas at NTP is 1.12 × 10⁻⁷ cm³. The number of molecules in it is :

• A. 3.01 × 10¹²
• B. 3.01 × 10²⁴
• C. 3.01 × 10²³
• D. 3.01 × 10²⁰

Hint:

Key Exam Tip:
At NTP, the molar volume of a gas is 22.4 L or 22400 cm³. Use Avogadro's number ($6.022 \times 10^{23}$) to convert moles to the number of molecules.

Answer 1

The Correct Option is A